| Most common failures | No# failures |
|---|
| Registration plate issues | 4 |
| Rear reflector on motorcycle missing |1.4.1| | 3 |
| Headlamp aim out of alignment | 3 |
| Front Service brake excessively binding (1.2.1 (f)) | 2 |
| Horn not working |1.7.3a| | 2 |
| Nearside Front Footrest insecure |6.2.1a| | 1 |
| Offside Front Footrest insecure |6.2.1a| | 1 |
| Brake pedal has inadequate reserve travel |3.1.3b| | 1 |
| Front Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Brake performance not tested |3.3| | 1 |
| Roller brake test No brake control achieves an efficiency of 30%. |3.3.A2a| | 1 |
| Roller brake test Neither brake control achieves an efficiency of 25% |3.3.A2b| | 1 |
| Front Brake lever attachment screws loose |3.1.2b| | 1 |
| Throttle has a significant change in engine speed whilst moving the steering from lock to lock |2.1.4| | 1 |
| Horn not working (7.7 (a) (ii)) | 1 |
| Rear reflector missing (4.8.2 (a) (ii)) | 1 |
| Central Exhaust has a major leak of exhaust gases middle joint (6.1.2 (a)) | 1 |
| Nearside Front Suspension unit leaking (5.3.5 (c)) | 1 |
| Stop lamp(s) all not working foot brake (4.3.1 (a) (iii)) | 1 |
| Offside Rear Brake hose leaking on an air braking system (1.1.12 (c) (i)) | 1 |
| Nearside Obligatory mirror insecure (3.3 (b) (ii)) | 1 |
| Steering lock stop incorrectly adjusted both (2.1.4 (b)) | 1 |
| Brake pedal has insufficient reserve travel rear pedal unable to operate correctly (1.1.2 (a)) | 1 |
| Stop lamp not working |1.2.1b| | 1 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 1 |
| Driver`s seat insecure |6.2.5 |a| |ii|| | 1 |
| Front Roller brake test indicates excessive fluctuation of brake effort |3.3.A1d| | 1 |
| Front Brake hose fouling |3.2.B3b| | 1 |
| Nearside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Offside Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Throttle operating incorrectly |6.2.1f| | 1 |
| Front Brake reaction bracket securing bolt|s| loose |3.2.A1j| | 1 |
| Nearside Rear Brake caliper|s| insecure |3.2.A1j| | 1 |
| Front Brake fluid reservoir fluid level dangerously low |3.2.B1d| | 1 |
| Front Front shock absorber seal failed and leaking oil |2.3.3| | 1 |
| Roller brake test The less effective brake control does not achieve an efficiency of 25%. |3.3.A2b| | 1 |
| Rear position lamp adversely affected by the operation of another lamp |1.1.3b| | 1 |
| Hydraulic brake control feels spongy |3.1.4a| | 1 |
| Rear wheel rotation likely to be impeded |6.2.1b| | 1 |
| Brake back plate|s| insecure |3.2.A1j| | 1 |
| Offside Steering lock stop missing |2.1.3| | 1 |
| Front Front wheel spindle securing nut locking device missing |2.3.3a| | 1 |
| Rear Rear reflector on motorcycle missing |1.4.1| | 1 |
| Direction indicators not working |1.5.1c| | 1 |
| Exhaust noise is clearly in excess of that emitted by a similar motor bicycle fitted with a standard silencer in average condition |7.1.2| | 1 |
| Steering headbearing has excessive free play |2.2.2| | 1 |
| Front Locking devices not correctly fitted which may make the motor bicycle dangerous to ride |6.2.1h| | 1 |
| Rear Locking devices not correctly fitted which may make the motor bicycle dangerous to ride rear brake brace loose and security device missing |6.2.1h| | 1 |
| Rear shock absorber seal failed and leaking oil |2.4.A.1c| | 1 |
| Rear shock absorber has inadequate damping effect. |2.4.A.3b| | 1 |
| Brake pedal is bent and the brake cannot be readily applied |3.1.3c| | 1 |
| Front Stop lamp does not illuminate immediately a brake applies |1.3.1a| | 1 |
| Rear Rear position lamp does not illuminate immediately when it is switched on |1.1.3a| | 1 |
| Front Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Roller brake test indicates a binding brake |3.3.A1a| | 1 |
| Rear Brake disc|s| securing bolt|s| missing |3.2.A1g| | 1 |
| Rear Brake pipe union leaking fluid |3.2.B4| | 1 |
| Rear suspension movement is excessively stiff |2.4.A.3b| | 1 |
| Rear Shock absorber has negligible damping effect (5.3.2 (b)) | 1 |
| Front shock absorber seal failed and leaking oil |2.3.3| | 1 |